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  • MPEC 1998-S34 : 1998 ST27

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    M.P.E.C. 1998-S34                                Issued 1998 Sept. 26, 20:40 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                       URL http://cfa-www.harvard.edu/iau/mpc.html
    
                                       1998 ST27
    
    Observations:
         J98S27T* C1998 09 24.16314 22 04 35.26 +30 00 16.5          19.5        704
         J98S27T  C1998 09 24.18554 22 04 27.64 +29 58 24.5          19.6        704
         J98S27T  C1998 09 24.20804 22 04 19.55 +29 56 32.6          19.7        704
         J98S27T  C1998 09 24.23044 22 04 11.80 +29 54 40.4          19.3        704
         J98S27T  C1998 09 24.91632 22 00 23.57 +28 56 41.6          17.6 V      046
         J98S27T  C1998 09 24.91737 22 00 23.27 +28 56 36.7                      046
         J98S27T  C1998 09 24.91811 22 00 23.01 +28 56 33.2                      046
         J98S27T  C1998 09 24.91881 22 00 22.75 +28 56 29.1                      046
         J98S27T  C1998 09 25.06146 21 59 34.55 +28 44 06.9                      557
         J98S27T  C1998 09 25.06297 21 59 34.08 +28 43 58.9          18.1 V      557
         J98S27T  C1998 09 25.49494 21 57 13.53 +28 07 21.3          18.2 R      422
         J98S27T  C1998 09 25.49590 21 57 13.40 +28 07 19.1          18.0 R      422
         J98S27T  C1998 09 25.49737 21 57 12.84 +28 07 09.6          17.8 R      422
         J98S27T  C1998 09 25.49836 21 57 12.46 +28 07 04.5          18.1 R      422
         J98S27T  C1998 09 25.92358 21 54 53.39 +27 28 42.2                      557
         J98S27T  C1998 09 25.92450 21 54 53.09 +27 28 37.4                      557
         J98S27T  C1998 09 25.92638 21 54 52.46 +27 28 27.0          17.9 V      557
         J98S27T  C1998 09 25.94846 21 54 45.07 +27 26 29.5          17.6 V      046
         J98S27T  C1998 09 25.94954 21 54 44.69 +27 26 23.1                      046
         J98S27T  C1998 09 25.95032 21 54 44.44 +27 26 18.9                      046
         J98S27T  C1998 09 25.95108 21 54 44.19 +27 26 14.8                      046
         J98S27T IC1998 09 26.50771 21 51 45.52 +26 36 53.4          17.4 R      426
         J98S27T  C1998 09 26.51123 21 51 44.34 +26 36 34.8          17.5 R      426
         J98S27T  C1998 09 26.51507 21 51 43.03 +26 36 12.5          17.2 R      426
         J98S27T  C1998 09 26.51883 21 51 41.68 +26 35 52.7          17.6 R      426
         J98S27T  C1998 09 26.77238 21 50 21.54 +26 11 53.1          18.0 V      557
         J98S27T  C1998 09 26.77332 21 50 21.24 +26 11 48.3                      557
         J98S27T  C1998 09 26.78935 21 50 16.00 +26 10 21.2                      046
         J98S27T  C1998 09 26.79065 21 50 15.54 +26 10 13.8                      046
         J98S27T  C1998 09 26.79233 21 50 15.09 +26 10 04.7                      046
    
    Observer details:
    046 Klet.  Observers J. Ticha, M. Tichy, Z. Moravec.  Measurer M. Tichy.
        0.57-m f/5.2 reflector + CCD.
    422 Loomberah.  Observer G. J. Garradd.  0.45-m f/5.4 reflector + CCD.
    426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    557 Ondrejov.  Observers P. Pravec, L. Sarounova, J. Kubat.  0.65-m f/3.6
        reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m f/2.15
        reflector + CCD.
    
    Orbital elements:
    1998 ST27                                                            PHA 0.010
    Epoch 1998 Sept. 24.0 TT = JDT 2451080.5                Williams
    M 225.85658              (2000.0)            P               Q
    n   1.32981784     Peri.  322.38398     -0.92833011     -0.35554924
    a   0.8189825      Node   197.75610     +0.36318215     -0.92974287
    e   0.5280622      Incl.   20.85566     -0.07938471     -0.09572319
    P   0.74           H   19.5           G   0.15
    From 30 observations 1998 Sept. 24-26.
    
    Ephemeris:
    1998 ST27                a,e,i = 0.82, 0.53, 21                  q = 0.3865
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1998 09 24    22 05.49   +30 13.8    0.236    1.192   139.1    33.5    18.1
    1998 09 29    21 38.78   +22 40.4    0.224    1.173   135.7    36.6    18.1
    1998 10 04    21 15.24   +14 08.1    0.220    1.151   128.9    42.6    18.2
    1998 10 09    20 55.38   +05 24.0    0.223    1.127   119.9    50.2    18.4
    1998 10 14    20 39.06   -02 50.5    0.233    1.100   110.2    58.3    18.6
    1998 10 19    20 25.81   -10 11.8    0.248    1.070   100.7    66.1    19.0
    1998 10 24    20 14.93   -16 34.3    0.265    1.038    91.8    73.4    19.3
    1998 10 29    20 05.62   -22 03.4    0.284    1.002    83.5    80.1    19.6
    1998 11 03    19 57.04   -26 48.6    0.304    0.963    75.7    86.5    19.9
    1998 11 08    19 48.28   -30 58.8    0.323    0.921    68.3    92.7    20.2
    1998 11 13    19 38.43   -34 40.4    0.342    0.876    61.0    99.1    20.5
    1998 11 18    19 26.51   -37 56.4    0.360    0.828    53.8   105.7    20.8
    1998 11 23    19 11.45   -40 45.2    0.379    0.777    46.6   112.7    21.2
    1998 11 28    18 52.33   -42 58.7    0.400    0.723    39.3   120.2    21.7
    1998 12 03    18 28.92   -44 22.3    0.424    0.667    32.2   128.0    22.3
    
    Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-S34
    

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